image: Iron-molybdenum cofactor of nitrogenase. The central carbon atom was identified by X-ray emission spectroscopy. This image relates to a paper that appeared in the Nov. 18, 2011, issue of Science, published by AAAS. The paper, by K.M. Lancaster at Cornell University in Ithaca, Ny., and colleagues, was titled, “X-ray Emission Spectroscopy Evidences a Central Carbon in the Nitrogenase Iron-Molybdenum Cofactor.” view more
Credit: Image copyright Science/AAAS